Home / 146,640,374.25-202,120,638.57-142,758,890.25

Finding the Fourth Proportional to 146,640,374.25, 202,120,638.57 and 142,758,890.25

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Solution

The fourth proportional to 146,640,374.25, 202,120,638.57 and 142,758,890.25 is: 196,770,624.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,640,374.25 : 202,120,638.57 = 142,758,890.25 : x
  2. Step 2: Convert to fraction form
    146,640,374.25/202,120,638.57 = 142,758,890.25/x
  3. Step 3: Cross multiply
    146,640,374.25x = 202,120,638.57 × 142,758,890.25
  4. Step 4: Simplify right side
    146,640,374.25x = 28,854,518,058,874,544
  5. Step 5: Solve for x
    x = 28,854,518,058,874,544/146,640,374.25
  6. Step 6: Final answer
    x = 196,770,624.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.